Firearms

FN FN 509 NMS 9mm 4-inch

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Specifications

About

Notable Variants

Aftermarket Ecosystem

Historically Significant Examples

Serial Number Data

Production data from factory records and collector research. Year ranges are approximate for pre-1968 firearms.

Years	Serial Range	Count	Factory	Country	Confidence

FN 509 Night Sights variant with factory-installed Trijicon tritium night sights and otherwise standard 509 configuration. The preferred law enforcement procurement specification of the base 509.

Type: Pistol

Action: Semi-Auto

Caliber: 9mm Luger

Capacity: 17

Year introduced: 2017, Belgium/USA

Status: Active

Intended use: Duty / Defense